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    <title>Basic Validation</title>
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        <div style="margin: 0px 10px 8px 10px"  class="pagetitle">Basic Validation</div>

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            <div id="ConfluenceContent"><p>Let's configure a basic validation workflow, step by step.</p><h2 id="BasicValidation-Step1">Step 1</h2><p>Create the input form.</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[

&lt;html&gt;
&lt;head&gt;
	&lt;title&gt;Struts2 Showcase - Validation - Basic&lt;/title&gt;
	&lt;s:head/&gt;
&lt;/head&gt;

&lt;body&gt;

&lt;div class=&quot;page-header&quot;&gt;
	&lt;h1&gt;Basic validation Example&lt;/h1&gt;
&lt;/div&gt;

&lt;div class=&quot;container-fluid&quot;&gt;
	&lt;div class=&quot;row&quot;&gt;
		&lt;div class=&quot;col-md-12&quot;&gt;

			&lt;p&gt;
				&lt;b&gt;What is your favorite color?&lt;/b&gt;

			&lt;p/&gt;

			&lt;s:form method=&quot;post&quot;&gt;
				&lt;s:textfield label=&quot;Name&quot; name=&quot;name&quot;/&gt;
				&lt;s:textfield label=&quot;Age&quot; name=&quot;age&quot;/&gt;
				&lt;s:textfield label=&quot;Favorite color&quot; name=&quot;answer&quot;/&gt;
				&lt;s:submit cssClass=&quot;btn btn-primary&quot;/&gt;
			&lt;/s:form&gt;
		&lt;/div&gt;
	&lt;/div&gt;
&lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;
]]></script>
</div></div><h2 id="BasicValidation-Step2">Step 2</h2><p>Create the Action class.</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[

public class QuizAction extends ActionSupport {

	private static final long serialVersionUID = -7505437345373234225L;

	String name;
	int age;
	String answer;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getAnswer() {
		return answer;
	}

	public void setAnswer(String answer) {
		this.answer = answer;
	}
}

]]></script>
</div></div><h2 id="BasicValidation-Step3">Step 3</h2><p>Create the validators. The <code>validation.xml</code> format is either <code>&lt;ActionClassName&gt;-validation.xml</code> or <code>&lt;ActionClassName&gt;-&lt;ActionAliasName&gt;-validation.xml</code>.</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: xml; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[
&lt;!--
    Add the following DOCTYPE declaration as first line of your XXX-validation.xml file:
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--&gt;
&lt;validators&gt;
    &lt;field name=&quot;name&quot;&gt;
        &lt;field-validator type=&quot;requiredstring&quot;&gt;
            &lt;message&gt;You must enter a name&lt;/message&gt;
        &lt;/field-validator&gt;
    &lt;/field&gt;
    &lt;field name=&quot;age&quot;&gt;
        &lt;field-validator type=&quot;int&quot;&gt;
            &lt;param name=&quot;min&quot;&gt;13&lt;/param&gt;
            &lt;param name=&quot;max&quot;&gt;19&lt;/param&gt;
            &lt;message&gt;Only people ages 13 to 19 may take this quiz&lt;/message&gt;
        &lt;/field-validator&gt;
    &lt;/field&gt;
&lt;/validators&gt;

]]></script>
</div></div><h2 id="BasicValidation-Step4">Step 4</h2><p>Make sure there is a result for "input" listed in the struts.xml for when the validation fails:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<pre class="brush: xml; gutter: false; theme: Default" style="font-size:12px;">&lt;action name="HelloWorld" class="tutorial.HelloWorld"&gt;
&lt;result name="success"&gt;/tutorial/createconfirm.jsp&lt;/result&gt;
&lt;result name="error"&gt;/tutorial/error.jsp&lt;/result&gt;
&lt;result name="input"&gt;/tutorial/create.jsp&lt;/result&gt;
&lt;/action&gt;
</pre>
</div></div><p>If you don't have this, you'll get a: "No result defined for action xxx.xxx.tutorial.HellowWorld and result input" error</p></div>
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